Joe DiMaggio - Wikipedia
List of Major League Baseball no-hitters - Wikipedia
September 3, 1971: Killebrew's pinch-hit grand slam propels Twins to 9-4 win over A's – Society for American Baseball Research
Topps – Page 4 – SABR's Baseball Cards Research Committee
Sal Bando National Museum of American History
Sun Devil Athletics Mourns Bobby Winkles, Architect of Modern Baseball at ASU - Arizona State University Athletics
Why do more MLB superstars come from high school or international countries than college? - Quora
Sal Bando Cards Trading Card Database
Jeff Burroughs Baseball Stats by Baseball Almanac